NAD+ and GHK Cu aren't interchangeable! They're complementary One restores what's happening beneath the surface: cellular energy, mental clarity, vitality that lasts beyond a caffeine rush. The other rebuilds what you see: Longevity: Functional Medicine for Optimal Health and Wellness Hair Growth Serum Intense with Copper Peptide GHK Cu GHK Cu: A copper bound peptide that stimulates collagen and healing. Used for skin repair and anti aging, it may reduce wrinkles, improves hair growth, and boosts metabolism, providing patients with firmer skin and a The ladies are raving about GHK but let's see if it actually makes a difference #lowtox #health #GHK #migraine #women